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Accelerated Construction Speeds Up Bridge Fix

Posted June 22, 2016 3:29 PM by Engineering360 eNewsletter

To speed replacement of some of the worst bridges in the country, the Rhode Island Department of Transportation has invested in an accelerated bridge reconstruction method. The state's new East Providence bridges will utilize precast foundations rather pouring them on site. New decking will be poured and formed on supports located adjacent to the existing bridge. The construction method will dramatically reduce construction time and lessen the impact on drivers making their daily commute.


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#1

Re: Accelerated Construction Speeds Up Bridge Fix

06/23/2016 6:48 AM
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Re: Accelerated Construction Speeds Up Bridge Fix

06/23/2016 8:03 AM

Timing can be tight. I recall replacing a railroad bridge in 24 hours. That was our allowance as the bridge spanned another railroad track and that was the maximum time allowed for no traffic on either track. Take co-ordination, but it can be done.

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#3

Re: Accelerated Construction Speeds Up Bridge Fix

06/23/2016 9:04 AM

Here's a bridge replacement a mile or so from my home. Not super-fast construction, but the replacement (time during which the railway line and road were closed) wasn't long.

Time Lapse - Rail Bridge Replacement, Cow Lane, Reading

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#4
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Re: Accelerated Construction Speeds Up Bridge Fix

07/12/2016 8:47 PM

Very, very, very cool ''build-bridge,-will-travel'' time-lapse sequence...

.

They didn't have such footage back when I was Civil Engineering school, but I'm glad they could now...

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